Metro Manila and parts of the Philippines are dealing with another environmental concern after thick haze blanketed the capital and surrounding areas on Tuesday, September 1. The haze comes as Metro Manila and nearby provinces are still recovering from flooding, making conditions even more challenging for residents, commuters and expats.
According to the Department of Environment and Natural Resources–Environmental Management Bureau (DENR-EMB), several areas in Metro Manila recorded unhealthy to acutely unhealthy levels of PM2.5, or fine particulate matter that can be harmful when inhaled.
The haze has been linked to forest fires in Kalimantan, Indonesia, with winds carrying smoke across the region and toward the Philippines.
Why Is Metro Manila Covered in Haze?
The current haze is believed to be coming from forest fires in Kalimantan, Indonesia. UP Diliman environmental science professor Gerry Bagtasa explained that strong winds are carrying the smoke toward the Philippines.
“What is surprising is that the wind is strong. Typically, local emissions, when the wind is strong, they get carried away by wind. So, we are not experiencing haze episodes. So, obviously, the haze episode is not about local emissions,” Bagtasa told Star.
The haze has affected several parts of Luzon and the Visayas. In Metro Manila, Makati, Navotas, Pateros and Quezon City recorded “very unhealthy” air quality according to monitoring cited by Philstar. Other parts of the capital were classified as “acutely unhealthy.”
The situation is not limited to Manila. Cebu also recorded unhealthy air quality, while Central Luzon, Southern Luzon and the Bicol Region were among the other areas affected. Authorities are monitoring the situation as weather patterns continue to influence how the smoke moves.
The Environmental Management Bureau said the haze may continue affecting parts of the Philippines through September 3. Bagtasa also said the haze could persist until Friday or Saturday depending on weather conditions.
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What Should Residents and Expats Do?
For anyone living in Metro Manila or visiting the Philippines, the easiest way to reduce exposure is to limit unnecessary time outdoors while air quality remains poor. Authorities have advised residents to wear masks, preferably N95 masks, when going outside and to avoid strenuous outdoor activities.
Children, older adults and people with respiratory or cardiovascular conditions should take extra precautions. Residents are also advised to keep doors and windows closed when haze levels are high and monitor official air-quality updates from the DENR-EMB or local government units.
For commuters, visibility can also be affected by haze. The Department of Health advised motorists to use headlights or fog lights when necessary, particularly at night.
For now, it is a good idea to check the air quality before heading out, especially if you are planning outdoor activities, exercising or spending extended periods outside. The haze may be temporary, but taking simple precautions can help reduce exposure while conditions remain unhealthy.
